Posted: Jun 25, 2019 12:56 pm
Another belch/fart of that confounding methane gas reported by Curiosity.
Nature source
Levels have returned to below 1ppb within a few days/sols of the peak.
NASA JPL link
NASA’s Curiosity rover has measured the highest level of methane gas ever found in the atmosphere at Mars’s surface. The reading taken last week at Gale Crater — 21 parts per billion — is three times greater than the previous record, which Curiosity detected back in 2013.
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Nature source
Levels have returned to below 1ppb within a few days/sols of the peak.
JUNE 23, 2019
Curiosity's Mars Methane Mystery Continues
Updated at 5 p.m. PDT (8 p.m. EDT) on June 24, 2019:
Curiosity's team conducted a follow-on methane experiment this past weekend. The results came down early Monday morning: The methane levels have sharply decreased, with less than 1 part per billion by volume detected. That's a value close to the background levels Curiosity sees all the time.
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NASA JPL link